Life is not measured by the number of breaths you take, but by the moments that take your breath away.
"Hating America is something best left to Mobius. He is an expert Yank hater.
He also hates Texans and Australians, he does diversify." ~ Braindead

"We have tried spending money. We are spending more than we have ever spent before and it does not work...After eight years of this Administration, we have just as much unemployment as when we started... And an enormous debt to boot!" — Henry Morgenthau, Franklin Delano Roosevelt's Treasury secretary, 1941.

This answer would explain both the blurry vision and a sensitivity to loud noises in your vision. Caffeine will drive up your blood pressure. If your avatar is a picture of you, then you need to get to a Cardiac type right away. BP that high in a young man will kill him, guarenteed! (If it's some star unrecognized by me, forgive me. Anyway, see a doctor.)

No matter where you go, there you are. - Buckaroo Banzai
"I played it [Civilization] for three months and then realised I hadn't done any work. In the end, I had to delete all the saved files and smash the CD." Iain Banks, author

I have something like that, only it doesn't happen till after I wake up, but i read about it, and i think it has to do with the caffeine flushing vitamins and stuff out of you. I also had something similar with some heavy duty hangovers, and the alcohol also flushes your vitamins and electrolytes out. Thats my guess anyway.

P.S. the noise he is refering to is like light specs you see in a picture that was taken in the dark, not the noise you hear.

"Our scientific power has out run out spiritual power. We have guided missiles and misguided men." - Martin Luther King Jr.
"A cynical, mercenary, demagogic press will produce in time a people as base as itself." - Joseph Pulitzer